Haibike Trekking 4 LOW Hybrid Electric Bike, 27.5" Wheel, Yamaha PW-S2 – Grey
"Do you want to enter the world of eTrekking? Our TREKKING 4 LOW makes it easy and comfortable. With this Trekking eBike, mounting and dismounting is child's play thanks to the particularly low step-through. The comfortable and upright seating position combined with the new, powerful, Yamaha PW-S2 motor and reliable Shimano shifting and braking components make it your perfect companion for many kilometres – whether on a shopping trip in the city or a multi-day tour with luggage."
Yamaha PW-S2
Developed with the philosophy that ‘less is more’ the PWseries S2 drive unit is significantly lighter and smaller while delivering more torque than its predecessor, the best-selling PWseries ST. With a long list of features, the new PWseries S2 elevates the riding experience to another level – making this multi-role drive unit ideally suited to everything from commuting and general daily usage through to countryside trekking, weekend touring and mountain trail riding.
Key Features:
- Frame: Haibike Trekking, Yamaha PW-S2 Int. Aluminium – 38cm,45cm,50cm
- Motor: Yamaha PW-S2, 75Nm
- Battery: Yamaha InTube 720Wh
- Display: Yamaha Side Switch, 1.7" LCD, 7 Function
- Suspension Fork: SR Suntour, XCM32 ATB DS LO, Steel spring, Travel 100mm
- Handlebars: Ergoriser, oversize, 720mm
- Stem: XLC, A-Head verstellbar, A-head, 31.8mm
- Brakes: Shimano, MT200, Hydraulic disc, 180mm
- Gearing: Shimano Deore M4120, 11s
- Shifters: Shimano Deore M4100, Trigger Switch
- Wheels: 27.5" / 29" Schürmann, Yak25 Rim x Shimano MT400-B Hubs
- Front Tyre: Continental, Ruban Reflex, 27.5" x 2.3"
- Rear Tyre: Continental, Ruban Reflex, 27.5" x 2.3"
- Battery Range: Yamaha InTube 720Wh – 30-130 Power Assisted Miles*
*As provided by Haibike UK. This will vary depending on weight of user, terrain and mode of pedal assistance used
Haibike Trekking 5 LOW Hybrid Electric Bike, 27.5" Wheel, Yamaha PW-S2 – Gloss Moss
- Frame: Haibike Trekking, Yamaha PW-S2 Int. Aluminium – 38cm,45cm,50cm
- Motor: Yamaha PW-S2, 75Nm
- Battery: Yamaha InTube 720Wh
- Display: Yamaha Side Switch, 1.7" LCD, 7 Function
- Suspension Fork: SR Suntour, Mobie 25 LOR, Lockout, Steel spring, 100mm travel
- Handlebars: Ergoriser, oversize, 720mm
- Stem: XLC, A-Head verstellbar, A-head, 31.8mm
- Brakes: Shimano MT200, Hydraulic disc, 180mm
- Gearing: Shimano Deore 11s
- Shifters: Shimano Deore M4100, Trigger Switch, Nexus Gear Shift
- Cassette: Shimano HG41, 11-46T
- Chainring: Steel, 38T
- Crank: Miranda Kies, Alloy
- Saddle: Selle Royal, Essenza
- Seatpost: Aluminium, Patent, 34.9mm
- Wheels: 27.5" / 29" Schürmann, Yak25 Rim x Shimano MT400-B Hubs
- Front Tyre: Continental, Ruban Reflex, 27.5" x 2.3"
- Rear Tyre: Continental, Ruban Reflex, 27.5" x 2.3"
- Battery Range: Yamaha InTube 720Wh – 30-130 Power Assisted Miles*
*As provided by Haibike UK. This will vary depending on weight of user, terrain and mode of pedal assistance used
| Battery Size |
20 Ah / 720 Wh
|
| Wheel Size |
27.5 in
|
| Top Speed (mph) |
15.5
|
| Frame Style |
Step Through
|
| Colour |
Grey
|
| Frame Size |
15 in / 38 cm, 17.75 in / 45 cm, 19.5 in / 50 cm
|
| Brake Type |
Disc
|
| Suspension |
Front
|
| Material |
Alloy
|
| Gears |
11
|
| Drive Type |
Crank
|
| Battery Make |
Yamaha
|
| Motor Make |
Yamaha
|
| Brand |
Haibike
|
Yamaha PW-S2
Increased torque-to-weight ratio
The compact new PWseries S2 drive unit maximum torque of 75Nm is over 7% higher than the PWseries ST, and weight has been cut to just 2.85 Kg – 16% less than the previous design – making it one of the lightest in its class. This highly desirable combination of increased output with reduced mass and a 20% decrease in volume ensures that the new PWseries S2 achieves one of the highest torque-to-weight ratios in the multi-role segment – giving strong, instant and user-friendly performance.
Greater freedom in frame design
The smaller dimensions of the new unit offer bike manufacturers even greater freedom to produce new generation frame designs with features such as increased ground clearance for improved performance on technical terrain.
The 20% more compact PWseries S2 layout also makes it possible for bike manufacturers to develop idealized frame designs with shorter chain-stays that can potentially increase overall rigidity to give enhanced maneuverability and increased rear wheel traction.
From an aesthetic point of view the reduced size of the PWseries S2 drive unit also offers Yamaha’s partner bike manufacturers the opportunity to achieve a clean and minimalist look when designing the next generation of Sport and Trail models.
Improved pedaling efficiency and feel
The new PWseries S2 features a narrow bottom bracket axle length of 128mm – 22.8mm less than the PWseries ST – which make possible the application of narrow Q-factor, and therefore improved pedaling efficiency and feel can be expected. This feature, together with the Automatic Support Mode, ensures an extremely easy and enjoyable riding experience.
The new ISIS bottom bracket axle interface delivers increased rigidity, making this new mid-class drive unit ideally suited to the needs of e-MTB riders – and, being fully compatible with a front double chainring, the compact new drive unit opens up greater possibilities for bike manufacturers.
Automatic Support Mode for all-round Sports and Trail
It's no simple feat to shift gears, adjust seat height, and change ride modes at roughly the same time. The Automatic Support Mode for the PWseries S2 selects the right amount of assist based on riding conditions. Whether you're starting from a stop, accelerating, braking, riding on a level surface, or climbing a hill, you can leave ride mode changes to the system and focus on shifting and braking.
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